UNS S20200 / 1.3965 / X12CrMnNiN17-9-5 / Stainless Steel

Steel Round Bar 1.3965 / AISI 202 / 12Х17Г9АН4: Specifications, Applications, and Features

Steel round bar 1.3965 (AISI 202 / 12Х17Г9АН4) is a stainless rolled product widely used across various industries due to its corrosion resistance, strength, and durability. This type of steel is especially in demand for structures operating in high humidity or aggressive environments. Below are its main characteristics, chemical composition, mechanical properties, applications, and features.

General Specifications

Steel round bar 1.3965 (AISI 202 / 12Х17Г9АН4) is made of chromium-manganese stainless steel, known for its excellent corrosion resistance and good machinability. Key parameters include:

• Steel grade: 1.3965 (EN), AISI 202 (American Standard), 12Х17Г9АН4 (GOST).
• Form of supply: Round bars with diameters ranging from 10 mm to 300 mm.
• Type of processing: Hot-rolled or calibrated.
• Surface finish: Rough or polished (on request).
• Corrosion resistance: High, thanks to the chromium and nitrogen content.

Round bars made of 1.3965 steel offer balanced strength and corrosion resistance, making them an ideal choice for use in aggressive environments.

Chemical Composition

The chemical composition of 1.3965 / AISI 202 / 12Х17Г9АН4 steel ensures its performance characteristics:

• Carbon (C): 0.08%
• Chromium (Cr): 16.0–18.0%
• Manganese (Mn): 7.5–10.0%
• Nickel (Ni): 4.0–6.0%
• Nitrogen (N): Up to 0.25%
• Silicon (Si): Up to 1.0%
• Phosphorus (P): ≤ 0.06%
• Sulfur (S): ≤ 0.03%

The high manganese and chromium content ensures excellent corrosion resistance, while the addition of nickel and nitrogen enhances strength properties.

Mechanical Properties

Steel round bar 1.3965 demonstrates excellent mechanical properties:

• Hardness (HB): 170–200.
• Yield strength (σ0.2): 350–400 MPa.
• Tensile strength (σv): 600–750 MPa.
• Elongation at break: Up to 40%.
• Impact toughness: High resistance to dynamic loads.

These properties make the material reliable for use in structures operating under load in challenging conditions.

Applications

Steel round bar 1.3965 / AISI 202 / 12Х17Г9АН4 is widely used across various industries:

1. Food industry.
   Used for producing tanks, pipes, and components of equipment that come into contact with food or water.
2. Chemical industry.
   Applied in the manufacturing of tanks, pipelines, and components working with aggressive substances.
3. Mechanical engineering.
   Used to produce mechanism elements requiring corrosion resistance and high strength.
4. Construction.
   Applied for making railings, frames, decorative elements, and other metal structures.
5. Energy sector.
   Used for equipment operating in high-temperature and high-humidity conditions.

Thanks to its versatile characteristics, steel round bar 1.3965 is in demand for both mass production and individual projects.

Features of 1.3965 Steel

Stainless steel round bar 1.3965 / AISI 202 has the following features:

• High corrosion resistance.
  Chromium and nitrogen content make the material resistant to moisture, aggressive chemical environments, and atmospheric conditions.
• Durability.
  The steel retains its properties even with prolonged use.
• Cost efficiency.
  Compared to traditional austenitic steels like AISI 304, this material offers an optimal balance of price and quality.
• Processing versatility.
  The material is easy to weld, machine, and polish.
• Aesthetic appearance.
  Polished surfaces are ideal for decorative elements.

Advantages of Buying from Us

Our online store offers a wide range of steel round bars 1.3965 / AISI 202 / 12Х17Г9АН4 in various diameters. We provide:

• High-quality products.
  All items comply with international standards.
• Competitive prices.
  A personalized approach for every client.
• Cutting and delivery services.
  Fast and convenient logistics.
• Expert consultations.
  Our specialists will help you choose the best material for your project.

Contact us to get a quote and place your order. Steel round bar 1.3965 / AISI 202 / 12Х17Г9АН4 is a reliable solution for your needs!

Forms made of steel 1.3965 / AISI 202 / 12Х17Г9АН4